Portovenere or Porto Venere is a town and comune or municipality located on the Ligurian coast of Italy in the province of La Spezia. It comprises the three villages of Fezzano, Le Grazie and Portovenere, and the three islands of Palmaria, Tino and Tinetto. In 1997 Portovenere and the villages of Cinque Terre were designated by UNESCO as a World Heritage Site.